зеркало из https://github.com/mozilla/gecko-dev.git
88 строки
3.3 KiB
Plaintext
88 строки
3.3 KiB
Plaintext
/* ********************************************************************** */
|
|
/* Implementation of the MathML W3C REC http://www.w3.org/TR/REC-MathML */
|
|
/* Section 3. Presentation Markup
|
|
3.2 Token Elements
|
|
3.2.1 Attributes common to token elements
|
|
C- 3.2.2 <mi> -- identifier
|
|
C 3.2.3 <mn> -- number
|
|
C- 3.2.4 <mo> -- operator, fence, or separator
|
|
CSS 3.2.5 <mtext> -- text
|
|
3.2.6 <mspace/> -- space
|
|
CSS 3.2.7 <ms> -- string literal
|
|
3.3 General Layout Schemata
|
|
C 3.3.1 <mrow> -- horizontally group any number of subexpressions
|
|
C 3.3.2 <mfrac> -- form a fraction from two subexpressions
|
|
3.3.3 <msqrt> and <mroot> -- form a radical
|
|
3.3.4 <mstyle> -- style change
|
|
CSS 3.3.5 <merror> -- enclose a syntax error message from a preprocessor
|
|
3.3.6 <mpadded> -- adjust space around content
|
|
C 3.3.7 <mphantom> -- make content invisible but preserve its size
|
|
3.3.8 <mfenced> -- surround content with a pair of fences
|
|
3.4 Script and Limit Schemata
|
|
C 3.4.1 <msub> -- attach a subscript to a base
|
|
C 3.4.2 <msup> -- attach a superscript to a base
|
|
C 3.4.3 <msubsup> -- attach a subscript-superscript pair to a base
|
|
C 3.4.4 <munder> -- attach an underscript to a base
|
|
C 3.4.5 <mover> -- attach an overscript to a base
|
|
C 3.4.6 <munderover> -- attach an underscript-overscript pair to a base
|
|
C 3.4.7 <mmultiscripts> -- attach prescripts and tensor indices to a base
|
|
3.5 Tables and Matrices
|
|
CH 3.5.1 <mtable> -- table or matrix
|
|
CH 3.5.2 <mtr> -- row in a table or matrix
|
|
CH 3.5.3 <mtd> -- one entry in a table or matrix
|
|
3.5.4 <maligngroup/> and <malignmark/> -- alignment markers
|
|
3.6 Enlivening Expressions
|
|
3.6.1 <maction> -- bind actions to a subexpression
|
|
|
|
Table of argument requirements
|
|
------------------------------
|
|
tag number of children
|
|
------------------------------
|
|
<mrow> 0 or more
|
|
<mfrac> 2 (numerator denominator)
|
|
<msqrt> 1
|
|
<mroot> 2 (base index)
|
|
<mstyle> 1
|
|
<merror> 1
|
|
<mpadded> 1
|
|
<mphantom> 1
|
|
<mfenced> 0 or more
|
|
<msub> 2 (base subscript)
|
|
<msup> 2 (base superscript)
|
|
<msubsup> 3 (base subscript superscript)
|
|
<munder> 2 (base underscript)
|
|
<mover> 2 (base overscript)
|
|
<munderover> 3 (base underscript overscript)
|
|
<mmultiscripts> 1 or more
|
|
(base ( subscript superscript ) * [ <mprescripts/> ( presubscript
|
|
presuperscript ) * ])
|
|
<mtable> 0 or more rows (<mtr>s, inferred if necessary)
|
|
<mtr> 0 or more table elements (<mtd>s, inferred if necessary)
|
|
<mtd> 1
|
|
<maction> 1 or more (argument roles depend on actiontype attribute)
|
|
*/
|
|
|
|
/* NOTES:
|
|
Since frames are not refCounted, don't use nsCOMPtr with them
|
|
*/
|
|
|
|
|
|
|
|
#if 0
|
|
// NOTES ----
|
|
// border and padding -- study nsHTMLButtonControlFrame.cpp ...
|
|
|
|
// Text size infos
|
|
nsCOMPtr<nsIFontMetrics> fm;
|
|
aPresContext->GetMetricsFor(GetStyleFont()->mFont, getter_AddRefs(fm));
|
|
|
|
nsAutoString text;
|
|
|
|
fm->GetHeight([height]);
|
|
renderingContext->SetFont(fm);
|
|
renderingContext->GetWidth( text, [width] );
|
|
fm->GetMaxAscent( [baseline] );
|
|
fm->GetMaxDescent( [depth] );
|
|
|
|
#endif
|